Current carrier An entity that can carry electrical current -- either an electron, or a hole. Both electrons and holes are mobile, and under the influence of a voltage they are caused to move, and this constitutes a current. In a semiconductor, either an electron or a hole will predominate as current carrier -- in N-type semiconductors, electrons are the (predominant) majority carriers, and holes are the minority carriers. In a P-type semiconductor, this situation is reversed.

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